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1022010010081 is a prime number
BaseRepresentation
bin11101101111101001000…
…10110010100111100001
310121200222122010210012121
432313310202302213201
5113221034030310311
62101301021224241
7133560234515434
oct16676442624741
93550878123177
101022010010081
11364483009275
121460a5102081
13754b5213b48
143767367181b
151b8b8bc0b71
hexedf48b29e1

1022010010081 has 2 divisors, whose sum is σ = 1022010010082. Its totient is φ = 1022010010080.

The previous prime is 1022010010039. The next prime is 1022010010093. The reversal of 1022010010081 is 1800100102201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 749291059456 + 272718950625 = 865616^2 + 522225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022010010081 - 27 = 1022010009953 is a prime.

It is a super-2 number, since 2×10220100100812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022010020081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511005005040 + 511005005041.

It is an arithmetic number, because the mean of its divisors is an integer number (511005005041).

Almost surely, 21022010010081 is an apocalyptic number.

It is an amenable number.

1022010010081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022010010081 is an equidigital number, since it uses as much as digits as its factorization.

1022010010081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1022010010081 its reverse (1800100102201), we get a palindrome (2822110112282).

The spelling of 1022010010081 in words is "one trillion, twenty-two billion, ten million, ten thousand, eighty-one".